MW-DESP: An integrated approach to ethanol production from rice straw via microwave-assisted deep eutectic solvent pretreatment and sequential...

MW-DESP:通过微波辅助低共熔溶剂预处理和顺序处理从稻草生产乙醇的综合方法...

基本信息

  • 批准号:
    EP/Y010299/1
  • 负责人:
  • 金额:
    $ 25.55万
  • 依托单位:
  • 依托单位国家:
    英国
  • 项目类别:
    Fellowship
  • 财政年份:
    2023
  • 资助国家:
    英国
  • 起止时间:
    2023 至 无数据
  • 项目状态:
    未结题

项目摘要

Lignocellulosic biomass (LCB) is a sustainable energy resource to produce biofuels and biobased chemicals without affecting the global food security. The recalcitrant nature of LCB hinders enzymatic hydrolysis, thus pretreatment is a critical step. Choline chloride:glycerol (ChCl:Gly) is a promising solvent for LCB delignification. The innovation aspect of the project consists of microwave-assisted ChCl:Gly pretreatment to delignify rice straw in conjunction with a sequential cultivation of Candida tropicalis and Saccharomyces cerevisiae to ferment sugars into ethanol with the aim of developing a zero waste biorefinery. The project consists of seven research objectives with overall aim of training the Fellow for academic expertise, professional skills and multidisciplinary collaboration. The project activities are divided into seven work packages (WPs). WP1: obtain overall training and Knowledge Inter-Transfer. WP2: Raw material preprocessing, pretreatment, biomass characterization and process optimization. WP3: ChCl:Gly recycling by applying anti-solvent treatment method. WP4: Lignin recovery and conversion into bio-oil via fast-pyrolysis. WP5: Enzymatic hydrolysis and process optimization. WP6: Studies on microbial stress (osmotic, ethanol and temperature) tolerance by employing flow cytometry, selection of well adapted yeast strains and fermentation. WP7: Techno-economic analysis based on the conceptual model of a cellulosic ethanol plant. Expected outcomes are: The technological development will create industrially accessible zero-waste strategy that can be adopted for the processing of other biomass feedstock (e.g. municipal solid waste and forestry residues). The competition between food and fuel will be avoided, thus protecting the global food security. It will also help to decrease CO2 emissions and combat global warming. This project is well aligned with the European Union biofuels support policy, aimed at lowering CO2 emissions in the transport sector.
木质纤维生物质(LCB)是一种在不影响全球粮食安全的情况下生产生物燃料和生物基化学品的可持续能源。LCB的顽固性阻碍了酶解,因此前处理是一个关键步骤。氯化胆碱:甘油(ChCl:Gly)是一种很有前途的LCB脱木素溶剂。该项目的创新方面包括利用微波辅助氯化甘氨酸对稻草进行脱木素处理,以及对热带假丝酵母和酿酒酵母进行连续培养,将糖发酵成乙醇,目的是开发一家零废物的生物炼油厂。该项目包括七个研究目标,总体目标是培训研究员的学术专长、专业技能和多学科合作。项目活动分为七个工作包(WPS)。工作组1:获得全面培训和知识相互转让。WP2:原料前处理、前处理、生物质表征和工艺优化。采用反溶剂处理法回收WP3:ChCl:Gly。WP4:木质素回收并通过快速热解转化为生物油。WP5:酶解及工艺优化。WP6:应用流式细胞术、酵母菌株筛选和发酵研究微生物胁迫(渗透压、乙醇和温度)的耐受性。基于纤维素乙醇工厂概念模型的技术经济分析。预期成果是:技术开发将创造工业上可获得的零废物战略,可用于处理其他生物质原料(如城市固体废物和林业残渣)。避免粮食和燃料之间的竞争,从而保护全球粮食安全。它还将有助于减少二氧化碳排放和应对全球变暖。该项目与欧盟生物燃料支持政策非常一致,旨在降低运输部门的二氧化碳排放。

项目成果

期刊论文数量(0)
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